Timeline of Marriott's disappearance and arrest of Mazzaglia

DURHAM — Following is a timeline of critical events in relation to the disappearance and death of 19-year-old UNH student Elizabeth “Lizzi” Marriott.

Tuesday: Marriott leaves class at the UNH Durham campus at approximately 9 p.m. en route to a friend's home on Mill Street in Dover. She reportedly never arrives.

Friday: State police and FBI agents join the search for Marriott. Based on a tip, police begin scouring the area around Peirce Island in Portsmouth for Marriott's body.

Saturday: Assistant Attorney General James Vara announces the arrest of 29-year-old Dover resident Seth Mazzaglia on a second-degree murder charge. He states investigators acquire sufficient evidence to believe Marriott is dead. Searches to recover Marriott's body in the area around Peirce Island are still unsuccessful.

Sunday: The search for Marriott's body is temporarily suspended amid dangerous waters. Attorney General Jane Young says the search around Peirce Island is expected to resume Monday.

Monday: Mazzaglia is scheduled to arraigned at 10:45 a.m. in Dover Circuit Court.